When the pressure at port P reaches the preset value, the pilot spool opens first. The subsequent pressure drop triggers the main spool to open, enabling overflow from P to T. Notably, this valve can endure a certain level of reverse back pressure, ensuring stable performance.
Product Features
Boasting a high opening and closing rate, it is ideally suited for high - pressure and large - flow hydraulic systems. Its robust design guarantees efficient pressure regulation, catering to diverse industrial application needs.
Technical Specifications
1. Rated Pressure: 175 bar
2. Rated Flow: 60 L/min
3. Cracking Rate: ≥90%
4. Closing Rate: ≥85%
5. Cleaning Code: 20/18/15 (NAS9)
6. Temperature Range: -20~+100ºC
7. Pressure Change per Turn: 88.9 bar
8. Installation Torque: 40-45 Nm
9. Nut Tightening Torque: 23-28 Nm


